Combine in 1 quarter baking dish: 2 cups canned corn (drained), 2-1/2 cups tomatoes (chopped), 1/4 cup chopped green pepper, ½ cup cracker crumbs, 2 tbsp melted margarine, 1 tbsp sugar, salt and pepper to taste. Sprinkle with some grated cheese and more cracker crumbs, dot top with margarine. Bake at 375 degrees 25 to 30 minutes.